Comparative study of growth performance, nutrient digestibility, and ruminal and fecal bacterial community between yaks and cattle-yaks raised by stall-feeding

AMB Express

Table 3 The differences of rumen fermentation between yaks and cattle-yaks

Items	Groups		SEM	P-value
Items	YAK	CAY	SEM	P-value
pH	6.59	6.61	0.081	0.910
Total VFA, mmol/L	69.92	80.47	2.350	0.013
Acetate, mmol/L	48.60	54.50	1.569	0.016
Propionate, mmol/L	13.20	16.22	0.553	0.062
Butyrate, mmol/L	8.12	9.75	0.351	0.009
Acetate-to-propionate ratio	3.71	3.36	0.016	0.088
Ammonia N, mg/dL	11.07	10.70	0.754	0.824

VFA volatile fatty acid, SEM standard error of mean, YAK yaks (n = 10), CAY cattle-yaks (n = 10)